Onsite – Page 21 – Combined Cycle Journal

Cooling-tower upgrade increases electric generation at Ventanilla

Ventanilla Combined Cycle Power Plant Owned and operated by ENEL Generacíon Perú 427 MW, 2 × 1 SGT6-4000F-powered dual-fuel powerplant, located in Callao, Perú Plant manager: Dany Alcantara Plant background. Endesa SA, Spain’s largest electric utility, won a tender in December 1995 to take control of Empresa de Generación Termoeléctrica de Ventanilla (Etevensa), the genco […]

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Tighter control of circ-water chemistry improves economics, safety at Ventanilla

Best Practices / By scottschwieger

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EHF 2023: Recap of Ninth Annual Conference

HRSGs / By scottschwieger

By Steven C Stultz, Consulting Editor The Ninth IAPWS European HRSG Forum (EHF 2023) took place in Prato, Italy, May 16 – 18. More than 80 attendees from 18 countries joined this event to discuss key global issues for combined-cycle owners, operators, plant personnel, service providers, and consultants. EHF is one of three associated annual

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FFS 2023: Recap of Sixth International Conference

HRSGs / By scottschwieger

By Steven C Stultz, Consulting Editor The sixth annual IAPWS Conference on Film Forming Substances, held March 21-23 (2023) in Prato, Italy, was chaired by Barry Dooley of Structural Integrity Associates (UK) and David Addison of Thermal Chemistry (New Zealand). FFS conferences, sponsored by the International Association for the Properties of Water and Steam, are

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SCR SYSTEM PERFORMANCE: Ammonia-system maintenance considerations

HRSGs / By scottschwieger

By Vaughn Watson, Vector Systems Inc The long-term performance of an SCR system depends on the efficiency of its critical components (Fig 1). While the catalyst often gets all the credit, and all the blame when performance declines, proper maintenance and routine inspection of the ammonia system can alleviate and prevent many factors that contribute

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Six plants earn Best of the Best honors in CCJ’s annual Best Practices Awards program

Best Practices / By scottschwieger

The COMBINED CYCLE Journal and the steering committees of the industry’s leading users groups—including 7F, 501F, 501G, 7EA, 7/9HA, Western Turbine, CCUG, STUG, GUG, PPCUG, Frame 6B, Frame 5, 501D5-D5A, AOG, and V—collaborate to expand the sharing of best practices and lessons learned among owner/operators of large frame and aeroderivative gas turbines. Thirty-eight plants listed

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Regenerating a refinery cogen’s Frame 7EA rotors

7EA Users Group, Frame 6 / By scottschwieger

Phoenix Rotor™ gives facility the best of both worlds KEY POINTS Units returned to 200,000 factored fired hours Lengthy outages avoided CapEx savings of around 40% compared with a new rotor from the OEM THE CHALLENGE: Going beyond rotor end of life Gas turbine rotors have a finite lifetime. Heavy-duty gas turbine rotors in particular,

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Anomaly detection: Small deviations can mean big bucks

CCUG, Controls / By scottschwieger

Primex, the latest entrant into the field of operational anomaly detection and machine-learning (ML) services for gas-turbine-based plants, introduced its technology to the wider combined-cycle (CC) community through a series of four webinars held in June and July 2023. The legacy application of the technology has been for SO2 scrubber and BOP performance at coal-fired

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Golden Nuggets from the Steam Turbine Users Group: Part 6

STUG / By scottschwieger

With the 2023 Steam Turbine Users Group (STUG) approaching August 28-31 in Atlanta, part of the greater Power Users Combined Conference, reviewing some of the content from last year’s meeting should encourage you to attend or send someone from your organization to experience this valuable content in person. Presentation abstracts below are based on information available only to end users in the

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NERC CIP-003-9 response requirements: Roadmap to compliance and security

Best Practices, CCUG, Controls / By scottschwieger

The third and final in the NAES, ABS Group, Network Perception cybersecurity webinar series covered NERC CIP-003-9: What Now? Response Requirements. While the NERC standard is still subject to revisions and tweaks in the coming months, there is enough “writing on the wall” for low-impact bulk electric system (LIBES) sites to begin the long slog towards

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